baber/WOPTO huggingface dataset:
Patent WO-2019062459-A1 (WO)
Title: Vacuumizing cup lid, vacuumizing cup, and vacuumizing stirring/crushing cup
Inventor: ZOU HAITAO
IPC: B01F7/00
Filed: 2018-08-30
Abstract: Disclosed are a vacuumizing cup lid, and a vacuumizing cup and a vacuumizing stirring/crushing cup having the vacuumizing cup lid. The vacuumizing cup lid (100) comprises an upper lid assembly (110) and a lower lid assembly (120), wherein the lower lid assembly (120) is provided with a connection part (123) hermetically connected to a mouth of a container, a vacuumizing cavity with a variable volume is provided between the upper lid assembly (110) and the lower lid assembly (120), and the volume of the vacuumizing cavity can be changed to zero; the vacuumizing cavity is provided with an air suction hole, wherein the air suction hole is used for sucking air from the container hermetically connected to the vacuumizing cup lid (100) into the vacuumizing cavity; and the vacuumizing cavity is provided with an air discharge hole, wherein the air discharge hole is used for discharging air from the vacuumizing cavity. The volume of the vacuumizing cavity of the vacuumizing cup lid of the present application is variable, the air in the vacuumizing cavity can be completely discharged from the vacuumizing cavity, and the air exhaust efficiency of the vacuumizing cup lid is improved.
Patent WO-2019091196-A1 (WO)
Title: 图像处理的方法和装置
Inventor: LI MENG
IPC: G06T5/00
Filed: 2018-08-30
Abstract: 本申请提供一种图像处理的方法与装置，包括：获取第一图像；根据空间滤波函数对该第一图像进行处理，以生成第一基本层；对该第一图像与该第一基本层进行减法操作或除法操作，以生成第一细节层；根据该第一图像，确定细节层调整函数，该细节层调整函数的自变量为该第一图像的非线性信号；根据该细节层调整函数，对该第一细节层进行调整，以获取第二细节层；对该第一基本层与该第二细节层进行加法操作或乘法操作，以生成第二图像。通过建立关于图像的非线性信号的细节层调整函数，并通过细节层调整函数对图像的细节层进行调整，能够避免调整后的图像中出现人眼能够感知的图像质量问题。
Patent WO-2019052426-A1 (WO)
Title: Electric vehicle battery current collector
Inventor: CAPATI NATHALIE
IPC: H01M10/04
Filed: 2018-09-10
Abstract: Systems and methods for a battery pack to power an electric vehicle are provided. The battery pack can include a plurality of battery modules having a plurality of battery blocks. The battery blocks can include a plurality of cylindrical battery cells. A first current collector can include a conductive layer to couple the first current collector with positive terminals of the plurality of cylindrical battery cells. A second current collector can include a conductive layer to couple the second current collector with negative terminals of the plurality of cylindrical battery cells. The first current collector, second current collector, and an isolation layer can include a plurality of apertures to expose the positive terminals of the plurality of cylindrical battery cells. The positive terminals can extend through the plurality of apertures to couple with the conductive layer of the first current collector.
Patent WO-2019196328-A1 (WO)
Inventor: ZHU WEI
IPC: E04D1/34
Filed: 2018-09-12
Abstract: 一种瓦片固定装置及瓦片安装方法、屋顶，通过减小瓦片挂钩（1）对挂瓦条（3）的压力，从而延长挂瓦条（3）的使用年限所述瓦片固定装置包括瓦片挂钩（1），所述瓦片挂钩（1）上设有配置成与瓦片（4）所开设安装孔配合使用的固定件，所述瓦片挂钩（1）上还设有配置成对挂瓦条（3）进行限位的定位结构。所述瓦片（4）安装方法利用上述瓦片固定装置安装瓦片（4）。该瓦片固定装置及瓦片安装方法、屋顶用于光伏发电中。
Patent WO-2019100830-A1 (WO)
Inventor: ZUO JUN
IPC: H04L5/00
Filed: 2018-09-19
Abstract: 本公开提供了一种进行数据传输的方法、网络侧设备及终端，本公开实施例中网络侧设备根据终端上报的参数信息确定终端的处理间隔；然后将用于为终端进行资源分配的调度间隔和确定的终端的处理间隔进行比较；在所述调度间隔小于所述处理间隔后，使用与所述终端对应的预配置的准共址信息在调度间隔之后通过物理下行共享信道发送数据。
Patent WO-2019091259-A1 (WO)
Title: 回收利用二氧化碳的方法以及系统
Inventor: WANG QI
IPC: C01F11/46
Filed: 2018-10-16
Abstract: 一种回收利用二氧化碳的方法以及系统。该回收利用二氧化碳的方法包括：将含钙硅酸盐和/或含镁硅酸盐氯化，得到氯化钙和/或氯化镁；将所述氯化钙和/或氯化镁与氨水以及二氧化碳混合并进行碳酸化反应，以将所述二氧化碳回收转化为碳酸钙和/或碳酸镁，同时产生氯化铵溶液；回收所述碳酸化步骤产生的所述氯化铵溶液，经过分解反应生成氯化氢后或浓缩后直接用于氯化所述含钙硅酸盐和/或含镁硅酸盐。使用氯化铵作为整个二氧化碳矿化反应的催化剂，最终产品碳酸钙和/或碳酸镁的纯度高，能耗低；工艺实现了氯化铵的循环使用，与现有技术相比减少了物料消耗。
Patent WO-2019080756-A1 (WO)
Title: Traction power supply system and energy feedback apparatus therefor
Inventor: ZHANG ZHIXUE
IPC: H02J3/38
Filed: 2018-10-17
Abstract: A traction power supply system and an energy feedback apparatus therefor. The input end of a single-phase inverter is connected to a direct current bus of the traction power supply system, and the output end is connected to a primary side of a high-frequency transformer, for performing single phase inversion on direct current in the direct current bus and then outputting the current; a secondary side of the high-frequency transformer is connected to the input end of a rectifier, for performing voltage transformation on a received signal and then outputting the signal; the output end of the rectifier is connected to the input end of a three-phase inverter, for rectifying the received signal and then outputting the signal; the output end of the three-phase inverter is connected to a secondary side of a traction transformer of the traction power supply system, for performing three-phase inversion on the received signal and then outputting the signal, so as to achieve energy feedback. By using a lightweight and miniaturized high-frequency transformer, the energy feedback apparatus not only facilitates construction and installation but also avoids the formation of loop current, thereby improving the energy utilization efficiency.
Patent WO-2019227841-A1 (WO)
Title: Stator core, stator and motor
Inventor: CHEN HANXI
IPC: H02K1/14
Filed: 2018-10-29
Abstract: Disclosed are a stator core (100), a stator (200) and a motor. The stator core (100) comprises a plurality of iron core sheets (1), the plurality of iron core sheets (1) are in stacked arrangement in an axial direction of the stator core (100), and each iron core sheet (1) is of an annular structure and comprises a plurality of sheet punching segments (11) successively arranged end to end in a circumferential direction; a seam (10) is formed between two adjacent sheet punching segments (11), and the seam (10) of the n layer and the seam (10) of the n+m layer are arranged in the axial direction of the stator core (100) in a staggered manner, where n and m are both positive integers, and n and m respectively satisfy n ≥ 1 and m ≥ 1; and the seam (10) is formed as a straight line segment.
Patent WO-2020077695-A1 (WO)
Title: Reactive flame retardant and method for durable flame retardant treatment of protein fiber using same
Inventor: TANG RENCHENG
IPC: D06M13/292
Filed: 2018-11-02
Abstract: Disclosed are a reactive flame retardant and a method for the durable flame retardant treatment of protein fibers using same. In the present invention, a reactive phosphorus-containing flame retardant is prepared using phytic acid, a polyalcohol such as pentaerythritol and a polycarboxylic acid such as 1,2,3,4-butanetetracarboxylic acid by means of an esterification reaction. The flame retardant has a high phosphorus content, contains a plurality of reactive groups in molecules, has a high reaction activity, and can crosslink with protein fibers during high-temperature baking without adding an additional crosslinking agent. Phytic acid used in the synthesis of the flame retardant of the present invention is a plant extract, and the obtained flame retardant is an environmentally friendly flame retardant. The protein fibers treated with the flame retardant not only have an excellent flame retardant performance, but also have a good washing resistance, which solves the problem of the poor washing resistance when phytic acid is used alone to treat protein fibers.
Patent WO-2019096276-A1 (WO)
Title: 数据传输的方法和装置
Inventor: WANG YAFEI
IPC: H04W72/00
Filed: 2018-11-16
Abstract: 本申请提供了一种数据传输的方法和装置，该方法包括：终端设备接收网络设备发送的第一调度信息，该第一调度信息用于指示该终端设备在第一时域资源单元中的上行时域资源发送第一数据；该终端设备延迟在该第一时域资源单元上发送该第一数据；该终端设备接收该网络设备发送的控制信息，该控制信息用于触发在第二时域资源单元上发送该第一时域资源单元上延迟发送的数据；该终端设备根据该控制信息，确定目标时域资源单元；该终端设备在该目标时域资源单元上，向该网络设备发送该第一数据。本申请提供的数据传输的方法和装置，能够传输终端设备延迟发送的数据。
Patent WO-2019109929-A1 (WO)
Title: 光学组件、摄像模组和具有摄像模组的智能设备
Inventor: CHEN ZHENYU
IPC: G03B17/12
Filed: 2018-12-05
Abstract: 一种光学组件、具有光学组件的摄像模组和具有摄像模组的智能设备。光学组件包括镜头模块（10）、固定装置（30）以及SMA线（40）。镜头模块（10）具有外框架（12）。固定装置（30）设置在镜头模块（10）的一组对角区域（12B）。围绕镜头模块（10）的外框架（12）设置为形成两两相对的四个侧面（1，2，3，4），在每个侧面（1，2，3，4）上，SMA线（40）均包括第一SMA线和第二SMA线，第一SMA线和第二SMA线被设置为彼此交叉但不接触。
Patent WO-2019144709-A1 (WO)
Title: Method for constructing dream reproducing model, dream reproducing method, and devices
Inventor: WANG QIAN
IPC: G06F3/01
Filed: 2018-12-07
Abstract: A method for constructing a dream reproducing model, a dream reproducing method, and devices. The dream reproducing method comprises: obtaining brainwave data of a user in a sleep state (302); performing feature extraction on the obtained brainwave data, to obtain a feature value of the brainwave data (304); inputting the obtained feature value of the brainwave data into the dream reproducing model, to obtain a corresponding output value (306); and determining, from the correlation, a perceptible object having the highest similarity with the output value, to generate a dream reproducing result (308).
Patent WO-2020010796-A1 (WO)
Title: Multi-region backlight control system and method, television, and readable storage medium
Inventor: LI XIN
IPC: H04N5/44
Filed: 2018-12-11
Abstract: Disclosed in the present application are a multi-region backlight control system and method, a television, and a readable storage medium. The multi-region backlight control system comprises a color liquid crystal display, a non-color liquid crystal display, a first driving module, a second driving module, a constant backlight source, and a main control module; the color liquid crystal display and the non-color liquid crystal display are fixed on the constant backlight source in sequence; the non-color liquid crystal display is provided between the color liquid crystal display and the constant backlight source; the main control module is respectively electrically connected to the first driving module, the second driving module, and the constant backlight source; the first driving module is electrically connected to the color liquid crystal display; the second driving module is electrically connected to the non-color liquid crystal display. According to the present application, control synchronization between the non-color liquid crystal display and the color liquid crystal display is ensured; moreover, the main control module outputs display signals with different regional brightness to the color liquid crystal display, so as to synchronically control liquid crystal molecule switch angles in corresponding regions of the non-color liquid crystal display, realize dimming according to regions, and improve the contrast ratio of screen display.
Patent WO-2020118755-A1 (WO)
Inventor: WANG SHUJIE
IPC: C30B29/40
Filed: 2018-12-21
Abstract: 一种反式注入合成连续VGF晶体生长装置及方法，涉及半导体晶体制备与单晶生长的装置，具体涉及一种使用VGF法，反式注入合成晶体，在原位连续进行晶体生长方法及装置。装置包括炉体、安装在炉体内的坩埚、保温系统、加热系统、温度控制系统及气压调节系统，所述坩埚上部为合成部、下部为晶体生长部和籽晶部，合成部与晶体生长部之间通过毛细孔连通。将红磷和氧化硼投入生长部，铟和氧化硼投入合成部，固体籽晶投入籽晶部，控制温度和压力，完成材料合成和晶体的原位生长。该装置使用毛细孔，通过温度和压力控制，在材料合成阶段，磷气泡上升到铟熔体，可以使两种物质充分融合，磷气化完成后，铟磷熔体滴入生长部，完成晶体的原位生长。
Patent WO-2020042510-A1 (WO)
Title: 烹饪控制方法、装置、烹饪器具和计算机可读存储介质
Inventor: LIU JINGSHENG
IPC: G05B19/02
Filed: 2018-12-29
Abstract: 本公开提供了一种烹饪控制方法、装置、烹饪器具和计算机可读存储介质，其中，烹饪控制方法包括：在烹饪进程执行过程中，若检测到供电信号由市电信号切换为电池信号，记录供电信号发生切换的时刻为掉电时刻；若检测到供电信号由电池信号恢复为市电信号，记录供电信号恢复的时刻为上电时刻；根据掉电时刻与上电时刻的时间间隔，确定是否继续执行烹饪进程。通过本公开的技术方案，能够有效地解决掉电导致自动烹饪过程终止的问题，另外，结合掉电时长确定是否继续执行自动烹饪过程，有利于提升食物的烹饪口感和饮食健康。
Patent WO-2019205734-A1 (WO)
Inventor: HOU SHIGUO
IPC: G06Q30/02
Filed: 2019-01-04
Abstract: 一种商品热力分析方法、装置、系统及终端设备，涉及网络技术，该方法中，接收无线接入设备和/或电子价签通过摄像头获取的热力分析资料（S101），再根据终端设备获取的热力分析资料，确定各个时刻对应商品的人流量（S102），进而对商品进行热力分析（S103）。通过该方法，可以由无线接入设备和/或电子价签通过摄像头实时获取热力分析资料，进而通过该热力分析资料较准确的对商品进行热力分析。
Patent WO-2020118816-A1 (WO)
Inventor: ZHUANG XIPING
IPC: F04C29/00
Filed: 2019-01-07
Abstract: L'invention concerne un ensemble compresseur et un procédé de fabrication associé, un compresseur rotatif comprenant l'ensemble compresseur, et un dispositif de climatisation. L'ensemble compresseur comprend une pale coulissante (1), un piston (2) et un élément de liaison (3) ; une première rainure (4), pénétrant axialement, est formée dans la paroi circonférentielle externe du piston (2) ; une seconde rainure (5), pénétrant dans une direction identique à la direction axiale du piston (2), est formée au niveau d'une extrémité de la pale coulissante (1) ; et une première saillie (6) et une seconde saillie (7), mises en correspondance avec la première rainure (4) et avec la seconde rainure (5), et intégrées de manière oscillante dans ces dernières, sont disposées respectivement au niveau des deux extrémités de l'élément de liaison (3), de sorte que la pale coulissante (1) soit reliée de manière articulée au piston (2). L'ensemble compresseur présente une structure simple et peut être produit par lots ; la pale coulissante (1), le piston (2) et l'élément de liaison (3) sont indépendants les uns des autres, et peuvent être fabriqués indépendamment, respectivement ; et la difficulté de fabrication est réduite.
Patent WO-2019137474-A1 (WO)
Inventor: HUANG-FU CHIEN-CHUN
IPC: H04W8/08
Filed: 2019-01-11
Abstract: L'invention concerne un procédé de tenue d'une liste d'identificateurs de zone de suivi (TAI) interdits correcte. Un équipement utilisateur (UE) reçoit une liste de zones de service comprenant une ou plusieurs zones de suivi autorisées. La liste de zones de service peut être contenue par une commande de mise à jour de configuration. L'UE compare si l'une quelconque des zones de suivi autorisées comprend un TAI correspondant dans la liste de TAI interdits. En conséquence, l'UE retire toutes les zones de suivi autorisées comprenant un TAI correspondant de la liste de TAI interdits. Dans un mode de réalisation, l'UE envoie un message de DEMANDE D'ENREGISTREMENT pour initier une procédure d'enregistrement. En réponse, l'UE reçoit un message d'ACCEPTATION D'ENREGISTREMENT, qui peut également contenir une liste de zones de service. L'UE peut retirer la zone de suivi autorisée comprenant un TAI correspondant de la liste de TAI interdits. Cependant, si l'UE est enregistré pour des services d'urgence, l'UE ne doit pas retirer la zone de suivi autorisée de la liste de TAI interdits.
Patent WO-2019137519-A1 (WO)
Inventor: LUO HAIYAN
IPC: H04W76/11
Filed: 2019-01-14
Abstract: 本申请实施例提供一种集中式单元-分布式单元(CU-DU)架构下重复(duplication)模式的通信处理方法。在一种可能实现方法中，CU和DU之间通过上行隧道端点的信息和下行隧道端点的信息的交互建立用户面隧道的过程中，由DU向CU给出主通道的标识，来实现数据无线承载的重复模式。
Patent WO-2020029545-A1 (WO)
Title: Optical fibre adapter
Inventor: JIANG XIAOLAN
IPC: G02B6/38
Filed: 2019-01-15
Abstract: The present invention relates to the technical field of physical connections of optical fibre communications and provides an optical fibre adapter. The optical fibre adapter comprises: an adapter body, being of a structure with two ends open and a hollow interior, the adapter body being provided with an external thread at a middle portion and being provided internally with an internal thread; an adapter cover, being arranged at one end of the adapter body, with one end face thereof being provided with a notch in a square shape; an adapter inner core, being fixed, in a clamping manner, to the adapter cover by means of the notch and being used for being fixed to a connection head of an optical fibre connector in an inserted manner; and a buffer mechanism, being arranged at two sides of the adapter inner core and being used to buffer an impact effect generated when the optical fibre connector and the optical fibre adapter are connected in an inserted manner. When the optical fibre connector and the optical fibre adapter are fixed in an inserted manner, by means of the buffer effect of the buffer mechanism, the impact effect of the optical fibre connector on the adapter inner core is lowered, so as to protect the adapter inner core.
Patent WO-2020147028-A1 (WO)
Inventor: LIAO WENSHAN
IPC: H04N5/232
Filed: 2019-01-16
Abstract: 一种拍摄方法及相关设备，其中，该方法包括：接收针对爆炸式拍摄的拍摄指令；基于所述拍摄指令控制所述拍摄装置同时进行曝光和变焦，以得到爆炸式图像。采用本发明实施例，由于移动平台控制拍摄装置的曝光和变焦同时进行，确保了爆炸式拍摄的曝光和变焦的同步，避免了曝光和变焦不同步对爆炸式图像的影响，提高了爆炸式图像的质量。
Patent WO-2020093603-A1 (WO)
Title: High-intensity multi-directional fdm 3d printing method based on stereoscopic vision monitoring
Inventor: WU LIFANG
IPC: B33Y10/00
Filed: 2019-01-25
Abstract: A high-intensity multi-directional FDM 3D printing method based on stereoscopic vision monitoring, comprising the following steps: 100: multi-directional printing; 200: stereoscopic vision monitoring; and 300: heating the first N layers of a part to be printed by using a CO 2 laser. The printing method reduces the use of external support structures as much as possible while ensuring the printing precision, and enables all parts of a model to be well connected, thereby ensuring the integrality of the model.
Patent WO-2020163990-A1 (WO)
Title: Détermination de demande de rétroaction
Inventor: BASU MALLICK PRATEEK
IPC: H04W72/04
Filed: 2019-02-12
Abstract: La présente invention concerne des appareils, des procédés et des systèmes pour la détermination d'une demande de rétroaction. Un procédé (1100) consiste à déterminer (1102), au niveau d'un premier dispositif de liaison latérale, s'il faut demander une rétroaction correspondant à des communications avec un second dispositif de liaison latérale. Le procédé (1100) consiste, quand il est déterminé qu'il faut demander une rétroaction correspondant aux communications avec le second dispositif de liaison latérale, à transmettre (1104) des premières informations au second dispositif de liaison latérale indiquant une demande de rétroaction. Le procédé (1100) consiste à transmettre (1106) des secondes informations au second dispositif de liaison latérale indiquant des ressources pour communiquer la rétroaction.
Patent WO-2020087845-A1 (WO)
Inventor: XU XIAOSU
IPC: G01C25/00
Filed: 2019-03-21
Abstract: An initial alignment method for an SINS based on a GPR and an improved SRCKF, comprising: first obtaining different pieces of sensor data and pre-processing same; establishing an equation of state and a measurement equation of a carrier system; selecting a cubature point of an SRCKF by using an SSR rule, and establishing a recursive equation of the improved SRCKF; performing recursion by using the recursive equation of the improved SRCKF to finally obtain an attitude error angle of a carrier through recursion during initial alignment; in the environment where quick alignment is required, establishing a GPR model; and estimating, according to the current measurement data of the system, the attitude error angle of the system in the current alignment process, and calculating an attitude matrix to complete an initial alignment task. The alignment method improves the robustness of the SRCKF, improves the numerical value stability of a filter algorithm, reduces the computing amount of a high order SRCKF, accelerates the initial alignment speed, and can obtain the initial alignment result matching the precision of the improved SRCKF.
Patent WO-2019192553-A1 (WO)
Title: Connection structure of traditional thread and internal thread outlining bidirectionally tapered olivary shape having smaller left-end conical degree
Inventor: YOU YIHUA
IPC: F16B33/02
Filed: 2019-04-04
Abstract: A connection structure of a traditional thread and an internal thread outlining a bidirectionally tapered olivary shape having a smaller left-end conical degree, the internal thread (6) forming a helical shape on the inner surface of a cylindrical body (2), and the complete threaded unit body forming a bidirectionally tapered hole (41) in an olivary shape (93) having a large middle part and two small ends, the left-end conical degree (95) being smaller than the right-end conical degree (96). The bidirectionally tapered hole is present in form of a non-entity space, having the capability of fitting a traditional external thread (9); the fitted external thread (9) on the outer surface of a columnar body (3) outlines a helical special tapered body (7), and the performance mainly depends on the tapered faces and the conical degrees of the threaded body. The internal thread (6) and the external thread (9) outline the tapered body by means of the tapered hole, such that the bidirectionally tapered hole (41) and the special tapered body (7) form a thread pair (10) with joints of tapered pairs until the inner and outer tapered bodies have helical tapered faces with sizing fit or sizing interference, so as to realize the threaded connection function, solving the problems of poor self-positioning and self-locking of existing threads, etc.
Patent WO-2020155427-A1 (WO)
Inventor: WANG YIJIA
IPC: H01L27/32
Filed: 2019-04-24
Abstract: L'invention concerne un film de dissipation thermique et un panneau d'affichage. Le film de dissipation thermique comprend un substrat ; une pluralité de colonnes thermoconductrices, une extrémité de chacune des colonnes thermoconductrices étant reliée verticalement au substrat ; et une couche de remplissage, remplie dans une couche mixte. Les effets bénéfiques de la présente invention sont la fourniture du film de dissipation thermique et du panneau d'affichage. L'effet de dissipation thermique est amélioré par la construction directe de la structure trois-en-un "couche de remplissage/matériau de structure thermoconducteur longitudinal/substrat". La chaleur générée par le panneau d'affichage est directement transférée vers le substrat le long du matériau thermoconducteur longitudinal, raccourcissant ainsi considérablement le trajet thermoconducteur et, en outre, les colonnes thermoconductrices sont directement déposées sur le substrat et la couche de remplissage est ajoutée, ce qui réduit l'épaisseur globale de la structure composite trois-en-un.
Patent WO-2019214458-A1 (WO)
Title: Operation control method, mobile communication terminal and network side device
Inventor: WU YUMIN
IPC: H04W72/10
Filed: 2019-04-26
Abstract: The present application provides an operation control method, a mobile communication terminal, and a network side device. A method applied to a mobile communication terminal includes: receiving logical channel prioritization (LCP) restriction configuration signaling sent by a network side device, the LCP restriction configuration signaling carrying LCP restriction rules; performing a management operation on a target LCP restriction rule among the LCP restriction rules, the management operation being a deactivation operation or an activation operation.
Patent WO-2020232622-A1 (WO)
Title: Radio access network context reuse
Inventor: WANG JINXING
IPC: H04W76/00
Filed: 2019-05-21
Abstract: Certain aspects of the present disclosure provide techniques for reusing radio access network context information. An exemplary method generally includes receiving radio access network (RAN) context information from a serving base station while operating in a connected mode of operation with the serving base station; detecting an interruption of service with the serving base station; performing, in response to the detected interruption, a reestablishment procedure to reestablish the service with the serving base station; and after the service with the serving base station is reestablished, deciding whether to continue to use the RAN context information to communicate with the serving base station based, at least in part, on an expiration timer corresponding to the RAN context information.